Home / 4,181.12-5,768.16-2,784.32

Finding the Fourth Proportional to 4,181.12, 5,768.16 and 2,784.32

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Solution

The fourth proportional to 4,181.12, 5,768.16 and 2,784.32 is: 3,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.12 : 5,768.16 = 2,784.32 : x
  2. Step 2: Convert to fraction form
    4,181.12/5,768.16 = 2,784.32/x
  3. Step 3: Cross multiply
    4,181.12x = 5,768.16 × 2,784.32
  4. Step 4: Simplify right side
    4,181.12x = 16,060,403.25
  5. Step 5: Solve for x
    x = 16,060,403.25/4,181.12
  6. Step 6: Final answer
    x = 3,841.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.